How can I change the privacy notice in both the site and email messages? My instance is not public facing. I don't like this:

PRIVACY NOTICE: Bugzilla is an open
bug tracking system. Activity on most
bugs, including email addresses, will
be visible to the public. We recommend
using a secondary account or free web
email service (such as Gmail, Yahoo,
Hotmail, or similar) to avoid
receiving spam at your primary email
address.